HDA

from The Free On-line Dictionary of Computing (8 July 2008)
Head Disk Assembly
HDA

   <hardware, storage> (HDA) A sealed, high capacity {mainframe}
   {hard disk} with integral heads, as opposed to a {removable
   disk}.

   (1999-01-13)
from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)
HDA
       High Definition Audio (Intel, audio)
antiflux / dictionary / HDA
[email protected]